Home / 93,312,462.20-139,968,693.30-81,975,054.20

Finding the Fourth Proportional to 93,312,462.20, 139,968,693.30 and 81,975,054.20

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Solution

The fourth proportional to 93,312,462.20, 139,968,693.30 and 81,975,054.20 is: 122,962,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,462.20 : 139,968,693.30 = 81,975,054.20 : x
  2. Step 2: Convert to fraction form
    93,312,462.20/139,968,693.30 = 81,975,054.20/x
  3. Step 3: Cross multiply
    93,312,462.20x = 139,968,693.30 × 81,975,054.20
  4. Step 4: Simplify right side
    93,312,462.20x = 11,473,941,219,570,678
  5. Step 5: Solve for x
    x = 11,473,941,219,570,678/93,312,462.20
  6. Step 6: Final answer
    x = 122,962,581.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.